Description

The FAN5070 is a synchronous mode DC-DC controller IC which provides a highly accurate, programmable output voltage for platforms such as the Intel Pentium III, and provides a complete solution for all Intel VRM8.5 CPU applications, and for other high-performance processors.

Features

• Output programmable in 25mV steps from 1.05V to 1.825V using a dynamically programmable integrated 5-bit DAC

• Remote sense

• Programmable Active Droop™ up to 200mV

• Drives N-Channel MOSFETs

• Overcurrent protection using MOSFET sensing

• Overvoltage protection including startup

• 85 efficiency typical at full load

• Integrated Power Good and Enable/Soft Start functions

• Meets Intel VRM8.5 specifications using minimum number of external components

• 20 pin SOIC package

Applications

• Power supply for Pentium® III Platforms

• VRM for Pentium III processor

• Programmable power supply